Add 1 cup of pumpkin puree to a large bowl
Add 3.4 ounces of pudding to the large bowl
Add 1/4 cup of milk to the large bowl
Add 2 teaspoons of pumpkin pie spice to a large bowl
Place whisks in a hand mixer
Turn on the hand mixer
Mix all the ingredients until smooth
Carefully fold in 8 ounces of Cool Whip
Pull out pie crust
Pour ingredients from the large bowl into the pie crust
Place pie in the refrigerator to chill before serving
Chill until it sets enough to slice or 3 hours